Description: Production nail, pneumatic drills, pneumatic screwdriver, wind mill, pneumatic wrench and pneumatic tools.
简介：生产钉枪、风钻、风动螺丝批、风磨、风动扳手等气动工具。
We replaced hand picks with pneumatic picks and electric drills.
我们把手镐换成风镐和电钻。
Hand picks have been replaced by pneumatic picks and electric drills.
手镐已被风镐和电钻取而代之。
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